1129707127 has 12 divisors (see below), whose sum is σ = 1148598360. Its totient is φ = 1111054640.

The previous prime is 1129707121. The next prime is 1129707157. The reversal of 1129707127 is 7217079211.

It is a happy number.

It is not a de Polignac number, because 1129707127 - 2⁷ = 1129706999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129707121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5914602 + ... + 5914792.

It is an arithmetic number, because the mean of its divisors is an integer number (95716530).

Almost surely, 2^1129707127 is an apocalyptic number.

1129707127 is a deficient number, since it is larger than the sum of its proper divisors (18891233).

1129707127 is an equidigital number, since it uses as much as digits as its factorization.

1129707127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 37.

The square root of 1129707127 is about 33611.1161224973. The cubic root of 1129707127 is about 1041.4904440483.

The spelling of 1129707127 in words is "one billion, one hundred twenty-nine million, seven hundred seven thousand, one hundred twenty-seven".